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Auth0 alternatives

4 authentication that you might consider instead of Auth0.

By Bilal AlmukhtarEdited by Sofia DraganovLast updated

Why look for Auth0 alternatives?

Auth0 is an enterprise-grade identity platform offering authentication, authorization, and SSO.

Depending on your stack, budget, and whether you prefer open-source software, one of the options below may be a better fit.

#1 alternative

Clerk

Authentication and user management

freemiumfrom $25/mo

Clerk provides drop-in authentication, user management, and organizations with pre-built UI components.

Compare Auth0 vs Clerk →Visit Clerk ↗
#2 alternative

NextAuth.js (Auth.js)

Authentication for the web

Open SourcefreeFree

Auth.js (formerly NextAuth) is a free open-source authentication library for Next.js and other frameworks.

Compare Auth0 vs NextAuth.js (Auth.js) →Visit NextAuth.js (Auth.js) ↗
#3 alternative

WorkOS

Enterprise-ready features with just a few lines of code

paidfrom $125/connection

WorkOS provides SSO, SCIM, audit logs, and directory sync — the B2B enterprise features SaaS apps need.

Compare Auth0 vs WorkOS →Visit WorkOS ↗
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#4 alternative

Better Auth

The most comprehensive authentication library

Open SourcefreeFree

Better Auth is a framework-agnostic, open-source authentication library for TypeScript with built-in plugins.

Compare Auth0 vs Better Auth →Visit Better Auth ↗

Frequently asked questions

What is the best Auth0 alternative in 2026?
It depends on what you valued about Auth0 in the first place. If you want something similar with the broadest ecosystem, Clerk is a common choice. If you want open source, NextAuth.js (Auth.js) is a strong pick.
Are there free alternatives to Auth0?
Yes. Clerk, NextAuth.js (Auth.js), WorkOS offer a free tier. Limits vary — check the individual tool pages for details.
Are there open-source alternatives to Auth0?
Yes. NextAuth.js (Auth.js), Better Auth are open source and can be self-hosted. This means zero vendor lock-in, but you take on operational responsibility.
Why would I switch from Auth0?
The most common reasons: cost (scaling Auth0 becomes expensive), vendor lock-in (you want portability), feature gaps (another tool does your specific use case better), or compliance (data residency, self-hosting). The alternatives above address one or more of these.
How hard is it to migrate away from Auth0?
Migration difficulty scales with how much Auth0-specific surface area you use. A shallow integration is a few hours; a deep one with custom SDKs, webhooks, and proprietary data types can take weeks. Start by listing every Auth0 API or feature your app calls, then map each to the replacement.

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